Evaporative cooler



FIG. 1 is a perspective view taken from the top, front and left side ofan evaporative cooler showing my new design;

FIG. 2 is a rear elevational view thereof; and

FIG. 3 is a top plan view thereof.

It is to be understood that the fragmentarily shown pattern in FIG. 1 iscontinuous throughout the area indicated.

The ornamental design for an evaporative cooler, as shown and described.